Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 5050793 | System for interconnecting panels A container fastener system which facilitates construction and use of containers formed of tri-wall or other multi-layer corrugated paper board is disclosed. Plate and clip fastening systems particularly adapted for interconnection of panels in overlappin... | 09/24/1991 |
| 5018912 | Drilling jig for stair rails A drilling jig for staircase rails includes a base plate having a first block fixed thereto and a second block adjustably mounted thereon. Rotatably adjustable drill guides with bushings are provided on the first and second blocks to permit adjustment of ... | 05/28/1991 |
| 5012767 | Heat exchanger tube spacers Pendant superheater or reheater tubes are maintained in spaced relationship by pairs of collar elements joined together in a closely adjacent relationship. One of the collar elements is dimensioned allow for vertical movement of the tube over which it is ... | 05/07/1991 |
| 5000097 | Self-steering railway truck A vehicle truck embodying articulated subtrucks or steering arms having a plurality of wheelsets, with steering arm interconnections establishing coordinated steering motions of the wheelsets, the truck also having elastic restraining devices for stabiliz... | 03/19/1991 |
| 4938152 | Flexible railway car truck A multiple axle railway truck is disclosed having side frames and a plurality of axled wheelsets, with roller bearings mounted in pedestal jaws having clearance fore-and-aft of the vehicle, thereby providing freedom for relative yaw motions of the wheelse... | 07/03/1990 |
| 4934361 | Respirator Breathing equipment, e.g., a half mask-type respirator, is disclosed. A mask is provided with three ports of common dimension in any one of which inhalation or exhalation fittings housing inhalation or exhalation valves may be mounted. Disclosed are chemi... | 06/19/1990 |
| 4914874 | System for interconnecting panels of containers Modular system for making containers, including reusable panels for the side walls of the containers, the side wall panels having horizontal edge portions providing for guided vertical stacking of the panels, the side wall panels also having fastening dev... | 04/10/1990 |
| 4882053 | Porous filter media support plate Disclosed is a porous filter support plate of the kind used in traveling bridge filters for the support of granular filter media used in the filtration of waste water, industrial liquors or baths, or for filtration of potable water in a water purification... | 11/21/1989 |
| 4870887 | Braided sleeve a braided sleeve is formed from a tow of flexible filaments such as glass fibers and a rigid filament such as a stainless steel wire. The rigid filament reduces the tendency of a braided sleeve to fray at its ends, and can cause the end portions of the sl... | 10/03/1989 |
| 4862922 | Abrasion resistant sleeve for flat substrates An abrasion resistant sleeve for flat substrates, for example ribbon cable and the like, which includes a hollow flexible sleeve made from a fabric of engineering plastic that has been flattened to define two edges, each of which has a top and a bottom la... | 09/05/1989 |
| 4850346 | Respirator Breathing equipment, e.g., a half mask-type respirator, is disclosed. A mask is provided with three ports of common dimension in any one of which inhalation or exhalation fittings housing inhalation or exhilation valves may be mounted. Disclosed are chemi... | 07/25/1989 |
| 4844254 | Cigarette lighter with attachment device The present invention provides a cigarette lighter case whose one edge is connected with a one piece clip member by which the lighter can be attached to a cigarette package. The clip member has at least three parallelly spaced planar plates lying in the s... | 07/04/1989 |
| 4836080 | Vibration abrasive resistant fabric covering Disclosed herein are woven, knitted or braided fabric coverings having an increased abrasive resistance under vibrating conditions which are suitable for hoses, wires, tubes, harnessing, etc. where vibration under abrasive conditions causes rapid wearing ... | 06/06/1989 |
| 4834710 | Catheter shield and test structure Equipment is disclosed for shielding a catheter such as a balloon-tipped vascular catheter from contamination during testing and insertion and for shielding a substantial reserve catheter section for use if catheter re-positioning is necessary. As shown, ... | 05/30/1989 |
| 4823670 | Capo A capo is disclosed for simultaneously changing pitch of the strings on a musical instrument, such as a guitar. The capo comprises an elongated bar of molded lighweight plastic material formed of polyurethane or the like with a string-engaging pad on an i... | 04/25/1989 |
| 4822060 | Woven tubular gasket with continuous integral attachment means This invention provides a woven tubular gasket having a continuous integral attachment means which is contained within the woven tubular members and which has protrusions which extend through or are extendable through the walls of the woven tubular member... | 04/18/1989 |
| 4791993 | Fire protection system Disclosed is an integral fire protection and ceiling structure for use in a building of the kind wherein false ceilings are employed. The fire protection system comprises a rectangular gridwork of pipe sections with four-way cast pipe fittings to which th... | 12/20/1988 |
| 4784886 | Wrap-around sleeve A wrap-around sleeve, for enclosing and protecting an object such as a wire bundle, comprises a plain weft-knitted sheet formed from a filament having an elastic modulus such that the sheet has a sufficiently high transverse curl force (which is the force... | 11/15/1988 |
| 4708534 | Particle feed device with reserve supply Apparatus for feeding powder particles into a pressurized gaseous stream comprising a feed chamber having a helical particle feed channel, a reserve powder supply chamber above the feed chamber and a feed tube extended from the reserve powder supply chamb... | 11/24/1987 |
| 4637528 | Articulated joint in aerosol medicament dispenser A sliding and pivoting joint, and a retractable medicament spray dispenser having such a joint. A sleeve is telescopically mounted on the dispenser housing by engaging a pair of pin-like projections on a pair of ears on the sleeve into slots which are in ... | 01/20/1987 |
| 4630645 | Pneumatic switching device, e.g., for safeguarding against overpressure Pneumatic switching devices do not constitute a danger in explosive surroundings contrary to electrical switching devices with which sparking may occur. Known pneumatic devices have the disadvantage of a long actuation path, whereby they can arrive at a s... | 12/23/1986 |
| 4625374 | Capacitor lead wire manufacture Apparatus and method for forming and inserting lead wires into openings provided in a movable carrier strip in the manufacture of products such as disc capacitors is disclosed. The carrier strip is provided with sets of openings disposed in transversely-s... | 12/02/1986 |
| 4610772 | Electrolytic plating apparatus A rotary brush plating apparatus utilizing a porous brush member formed of a hydrophobic material is disclosed. Plating solution is pumped interiorly of rotating, cylindrical brush member and radially outwardly through interconnected pores to its peripher... | 09/09/1986 |
| 4610415 | Tiltable support A tilt mechanism, particularly well suited for a control console such as a low profile keyboard is disclosed. Elongated spring biased links extend lengthwise of the console in side-by-side relationship. A pair of support feet, pivotally mounted on the und... | 09/09/1986 |
| 4515592 | Catheter shield Disclosed is a shield assembly for a catheter particularly useful for the protection of flow directed catheters used in the measurement of central venous pressure and pulmonary wedge pressure. The shield assembly includes front and rear hubs each with a c... | 05/07/1985 |
| 4473387 | Fiberizing apparatus intended for the manufacture of continuous glass fibers Apparatus for the manufacture of thermoplastic mineral fibers is disclosed. A bushing base is formed by a flat plate in which a multitude of conduits are arranged. The upper ends of the conduits open toward the inside of the bushing and their lower ends toward... | 09/25/1984 |
| 4469499 | Method and apparatus for the manufacture of fibers A process and apparatus is disclosed for forming fibers from attenuable materials, such as molten glass, by attenuating streams of glass from the bottom of a bushing wherein the bottom has downwardly presented wall portions at upper and lower levels. Acco... | 09/04/1984 |
| 4452684 | Apparatus for selective electrolytic plating Selective electrolytic plating of small interconnected parts at high rates of production is disclosed. A porous hydrophobic material serves as the body of a brush member which has surfaces configured to transfer charged electrolytic solution to the select... | 06/05/1984 |
| 4437869 | Method and apparatus for multifilament glass strand The application discloses an apparatus and a process for the manufacture of continuous fibers by mechanical attenuation. It is especially useful in obtaining a strand composed of a mixture of filaments of differing cross sections in constant and definite ... | 03/20/1984 |
| 4433991 | Apparatus for the manufacturing of fibers A process and apparatus for forming fibers from attenuable materials, such as molten glass, by attenuating streams of glass from the bottom of a bushing wherein the bottom has downwardly presented wall portions at upper and lower levels. According to the ... | 02/28/1984 |
| 4427243 | Display station tilt mechanism A tilt mechanism for tilting a cathode-ray tube viewing screen on which information is electronically displayed is disclosed. The screen is hingedly secured to a planar base for tilting from a vertical position in which it is substantially balanced throug... | 01/24/1984 |
| 4417886 | Catheter introduction set Disclosed is a disposable introducer kit for the introduction of a catheter into small vessels such as the radial artery of a patient. The introducer assembly is contained in a sterile package and removed as an entire unit including needle, catheter, wire... | 11/29/1983 |
| 4401451 | Process and apparatus for the manufacture of discontinuous glass fibers The application discloses an apparatus and a process for the manufacture of discontinuous fibers obtained by fluid attenuation. The fibers are attenuated from a bushing whose base is equipped with a substantially continuous plate having a hollowed upper s... | 08/30/1983 |
| 4400083 | Electrostatic printer drum improvements Disclosed is an electrostatic printer having a rotatable drum with a photoreceptor belt mounted on the periphery. The photoreceptor belt is advanced past a cathode ray tube which forms an electrostatic image on its surface. A wiper brush is recessed withi... | 08/23/1983 |
| 4398933 | Method and apparatus for the manufacture of fibers A process and apparatus for forming fibers from attenuable materials, such as molten glass, by attenuating streams of glass from the bottom of a bushing wherein the bottom has downwardly presented wall portions at upper and lower levels. According to the ... | 08/16/1983 |
| 4391618 | Process and apparatus for the manufacture of fibers A process and apparatus for forming fibers from attenuable materials, such as molten glass, by attenuating streams of glass from the bottom of a bushing wherein the bottom has downwardly presented wall portions at upper and lower levels. According to the ... | 07/05/1983 |
| 4381715 | Adjustable shelf mounting system A novel shelf support system which is capable of bearing heavy loads and provides a large measure of adjustability, yet is completely self-contained and only very minimally visible where the shelf meets the wall. The system comprises threaded fasteners fo... | 05/03/1983 |
| 4365125 | Flow actuating switching device A fluid actuated switching system is disclosed which comprises a fluid actuated poppet mounted in a fluid passageway for movement from a first position in the absence of fluid flow to a second position in response to a predetermined fluid flow. An elongat... | 12/21/1982 |
| 4348151 | Truck winch assembly A frame assembly is secured within an open topped truck box and includes a pair of side frames and head rack at the front of said truck box. A lifting yoke is mounted on rollers between the side frames and when in the elevated or winching position, it can... | 09/07/1982 |
| 4336005 | Gear pumps and motors The disclosure relates to improvements in pumps and motors of the gear type. The gear elements are arranged within the pump or motor housing so that the ends or the tips of the teeth are spaced out of fluid sealing relationship and not pressed into the su... | 06/22/1982 |
